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Updated: May 18, 2026

Reverse Total Shoulder Arthroplasty

Reverse Total Shoulder Arthroplasty

Published on: July 5, 2011

Total shoulder arthroplasty with a tissue-ingrowth glenoid component.

R H Cofield¹, P J Daly

¹Rochester, Minn., USA.

Journal of Shoulder and Elbow Surgery

|September 11, 2012

Summary

This study evaluated uncemented, porous glenoid components in total shoulder arthroplasty. Results suggest this implant is effective for arthritic shoulders, but avoiding joint instability is crucial to prevent complications.

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Area of Science:

Orthopedic Surgery
Biomaterials Engineering
Medical Device Design

Background:

Total shoulder arthroplasty (TSA) is a common treatment for severe shoulder arthritis.
Uncemented glenoid components aim to improve long-term fixation through tissue ingrowth.
Previous designs have faced challenges with loosening and wear.

Purpose of the Study:

To evaluate the clinical and radiographic outcomes of a newly designed, uncemented, tissue-ingrowth glenoid component in TSA.
To assess the complication rates and functional improvements associated with this implant.
To identify factors influencing the success or failure of the uncemented glenoid component.

Main Methods:

A prospective study involving 32 total shoulder arthroplasties in 29 patients.

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Last Updated: May 18, 2026

Reverse Total Shoulder Arthroplasty

Reverse Total Shoulder Arthroplasty

Published on: July 5, 2011

Utilized a novel uncemented, porous-surfaced glenoid component with a Neer humeral prosthesis.

Follow-up included clinical assessments (pain, range of motion) and radiographic evaluation for loosening and wear, averaging 51 months.

Main Results:

27 of 28 shoulders without reoperation reported little to no pain.
Average active abduction was 145°, external rotation 59°, and internal rotation 112°.
Five complications occurred, including two glenoid dissociations, one humeral loosening, and one infection, leading to four reoperations. Three components showed probable loosening radiographically. Instability was noted in eight shoulders, with four experiencing related complications or probable loosening (p < 0.02).

Conclusions:

The uncemented, tissue-ingrowth glenoid component shows promise for arthritic shoulders with sufficient bone stock.
Minimizing joint instability is critical to reduce complications and the need for revision surgery.
Further investigation into long-term outcomes and strategies to prevent instability is warranted.